Questione giuridica chiave
Whether the challenge was barred by res judicata for 1 January 2014 to 30 April 2014.
Decisione estratta
The earlier judgment bound the parties only for the period already decided; the appeal was inadmissible only for 1 January 2014 to 30 April 2014, but remained examinable from 1 May 2014 onward.
Motivazione estratta
Annual supplementary benefits are determined year by year. A previous EL judgment is final only for the period it covered, not for later periods.